// import Vue from 'vue'
const files = require.context('./zfunction', false, /\.js$/)
const $z = {}
files.keys().forEach((key) => {
  $z[key.replace(/(\.\/|\.js)/g, '')] = files(key).default
}) // console.log(math,"mathjs")

const zmath = {
  //加法
  add: function (arg1, arg2) {
    if (!arg2) {
      arg2 = 0
    }
    if (!arg1) {
      arg1 = 0
    }
    var r1, r2, m, c
    try {
      r1 = arg1.toString().split('.')[1].length
    } catch (e) {
      r1 = 0
    }
    try {
      r2 = arg2.toString().split('.')[1].length
    } catch (e) {
      r2 = 0
    }
    c = Math.abs(r1 - r2)
    m = Math.pow(10, Math.max(r1, r2))
    if (c > 0) {
      var cm = Math.pow(10, c)
      if (r1 > r2) {
        arg1 = Number(arg1.toString().replace('.', ''))
        arg2 = Number(arg2.toString().replace('.', '')) * cm
      } else {
        arg1 = Number(arg1.toString().replace('.', '')) * cm
        arg2 = Number(arg2.toString().replace('.', ''))
      }
    } else {
      arg1 = Number(arg1.toString().replace('.', ''))
      arg2 = Number(arg2.toString().replace('.', ''))
    }
    return (arg1 + arg2) / m
  },
  //减法
  subtract: function (arg1, arg2) {
    if (!arg2) {
      arg2 = 0
    }
    if (!arg1) {
      arg1 = 0
    }
    var r1, r2, m, n
    try {
      r1 = arg1.toString().split('.')[1].length
    } catch (e) {
      r1 = 0
    }
    try {
      r2 = arg2.toString().split('.')[1].length
    } catch (e) {
      r2 = 0
    }
    m = Math.pow(10, Math.max(r1, r2))
    //last modify by deeka
    //动态控制精度长度
    n = r1 >= r2 ? r1 : r2
    return ((arg1 * m - arg2 * m) / m).toFixed(n)
  },
  //乘法
  multiply: function (arg1, arg2) {
    var m = 0,
      s1 = arg1.toString(),
      s2 = arg2.toString()
    try {
      m += s1.split('.')[1].length
    } catch (e) {
      console.log(1)
    }
    try {
      m += s2.split('.')[1].length // m是累加结果
    } catch (e) {
      console.log(1)
    }
    return (
      (Number(s1.replace('.', '')) * Number(s2.replace('.', ''))) /
      Math.pow(10, m)
    )
  },
  //除法
  divide: function (arg1, arg2) {
    var r1, r2, m
    try {
      r1 = arg1.toString().split('.')[1].length
    } catch (e) {
      r1 = 0
    }
    try {
      r2 = arg2.toString().split('.')[1].length
    } catch (e) {
      r2 = 0
    }
    m = Math.pow(10, Math.max(r1, r2))
    var a = parseInt(arg1 * m + 0.5)
    var b = parseInt(arg2 * m + 0.5)
    return a / b
  },
}
$z.math = zmath

export default $z
